| Company | Timeline | Status | |
| Kitty Mansion Limited Director • Management Consultant | 20 Apr 2004←2 Years 10 Months→28 Feb 2007 | Active | |
| Listening Books Director • Management Consultant | 21 Jul 1999←4 Years→15 Mar 2004 | Active | |
| New Policy Institute Secretary • Management Consultant | 17 Mar 1997←12 Years→20 Apr 2009 | Dissolved | |
| New Policy Institute Director • Management Consultant | 17 Mar 1997←12 Years→20 Apr 2009 | Dissolved | |
